Finding the Fourth Proportional to 12,196.06, 18,292.20 and 3,875

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.06 : 18,292.20 = 3,875 : x
2. Step 2: Convert to fraction form
   12,196.06/18,292.20 = 3,875/x
3. Step 3: Cross multiply
   12,196.06x = 18,292.20 × 3,875
4. Step 4: Simplify right side
   12,196.06x = 70,882,275
5. Step 5: Solve for x
   x = 70,882,275/12,196.06
6. Step 6: Final answer
   x = 5,811.90